Start with high-confidence nursing research & theory books, then narrow by subgenre or adjacent topics.
Evidence-based Practice in Nursing and Healthcare
Bernadette Melnyk, Ellen Fineout-Overholt
Nursing Research
Denise F. Polit, Cheryl Tatano Beck
Transcultural Concepts in Nursing Care
JOYCEEN S. BOYLE, JOHN W. COLLINS
